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Sunday, 05 April 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 471:
The essential parts of a flower are
  • A Petals and sepals
  • B Anther and filament
  • C Stigma and style
  • D Androecium and gynoecium
  • E Petals and gynoecium
View Answer & Explanation
Question 472:
Which of the following parts of the tooth is first damaged during dental decay?
  • A Cement
  • B Enamel
  • C Dentine
  • D Root
  • E Gum
View Answer & Explanation
Question 473:
The set- up above is used to demonstrate
  • A Plasmolysis
  • B Osmosis
  • C Suction pressure
  • D Fermentation
  • E Diffusion
View Answer & Explanation
Question 474:
What will be the colour of the solution in the test tube labelled II at
the end of the experiment?
  • A Pink
  • B Yellow
  • C Milky
  • D Reddish white
  • E Blue-black
View Answer & Explanation
Question 475:
Which gas will pass into the test tube labelled II from I?
  • A Carbon monoxide
  • B Carbon dioxide
  • C Oxygen
  • D Ammonia
  • E Nitrogen
View Answer & Explanation